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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-11 10:05:36 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-11 10:05:36 +0000
commit9b49a5ed8551e46892af3f676e5d96d21b540e3c (patch)
tree3d177ef7f3f5e8338690718c86012203ef29a7da /Makefile.flags
parent8d82cf72c99a8ab8bdbb0b179a1f1135a004c47a (diff)
downloadbusybox-9b49a5ed8551e46892af3f676e5d96d21b540e3c.tar.gz
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add -fvisibility=hidden to CC flags, mark XXX_main functions
EXTERNALLY_VISIBLE. 5% size reduction of libbusybox.so
Diffstat (limited to 'Makefile.flags')
-rw-r--r--Makefile.flags5
1 files changed, 4 insertions, 1 deletions
diff --git a/Makefile.flags b/Makefile.flags
index 243f095e2..c023299d7 100644
--- a/Makefile.flags
+++ b/Makefile.flags
@@ -56,10 +56,13 @@ ifeq ($(CONFIG_DEBUG),y)
CFLAGS += $(call cc-option,-g)
endif
+ifeq ($(CONFIG_BUILD_LIBBUSYBOX),y)
# on i386: 14% smaller libbusybox.so
# (code itself is 9% bigger, we save on relocs/PLT/GOT)
-ifeq ($(CONFIG_BUILD_LIBBUSYBOX),y)
CFLAGS += -fpic
+# and another 4% reduction of libbusybox.so:
+# (external entry points must be marked EXTERNALLY_VISIBLE)
+CFLAGS += $(call cc-option,-fvisibility=hidden)
endif
ifeq ($(CONFIG_STATIC),y)